diff options
Diffstat (limited to 'arch/arm/mach-mx3/mx31moboard-devboard.c')
| -rw-r--r-- | arch/arm/mach-mx3/mx31moboard-devboard.c | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/arch/arm/mach-mx3/mx31moboard-devboard.c b/arch/arm/mach-mx3/mx31moboard-devboard.c deleted file mode 100644 index 0aa25364360d..000000000000 --- a/arch/arm/mach-mx3/mx31moboard-devboard.c +++ /dev/null @@ -1,242 +0,0 @@ -/* - * Copyright (C) 2009 Valentin Longchamp, EPFL Mobots group - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/gpio.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/delay.h> -#include <linux/platform_device.h> -#include <linux/slab.h> -#include <linux/types.h> - -#include <linux/usb/otg.h> - -#include <mach/common.h> -#include <mach/iomux-mx3.h> -#include <mach/hardware.h> -#include <mach/ulpi.h> - -#include "devices-imx31.h" - -static unsigned int devboard_pins[] = { - /* UART1 */ - MX31_PIN_CTS2__CTS2, MX31_PIN_RTS2__RTS2, - MX31_PIN_TXD2__TXD2, MX31_PIN_RXD2__RXD2, - /* SDHC2 */ - MX31_PIN_PC_PWRON__SD2_DATA3, MX31_PIN_PC_VS1__SD2_DATA2, - MX31_PIN_PC_READY__SD2_DATA1, MX31_PIN_PC_WAIT_B__SD2_DATA0, - MX31_PIN_PC_CD2_B__SD2_CLK, MX31_PIN_PC_CD1_B__SD2_CMD, - MX31_PIN_ATA_DIOR__GPIO3_28, MX31_PIN_ATA_DIOW__GPIO3_29, - /* USB H1 */ - MX31_PIN_CSPI1_MISO__USBH1_RXDP, MX31_PIN_CSPI1_MOSI__USBH1_RXDM, - MX31_PIN_CSPI1_SS0__USBH1_TXDM, MX31_PIN_CSPI1_SS1__USBH1_TXDP, - MX31_PIN_CSPI1_SS2__USBH1_RCV, MX31_PIN_CSPI1_SCLK__USBH1_OEB, - MX31_PIN_CSPI1_SPI_RDY__USBH1_FS, MX31_PIN_SFS6__USBH1_SUSPEND, - MX31_PIN_NFRE_B__GPIO1_11, MX31_PIN_NFALE__GPIO1_12, - /* SEL */ - MX31_PIN_DTR_DCE1__GPIO2_8, MX31_PIN_DSR_DCE1__GPIO2_9, - MX31_PIN_RI_DCE1__GPIO2_10, MX31_PIN_DCD_DCE1__GPIO2_11, -}; - -static const struct imxuart_platform_data uart_pdata __initconst = { - .flags = IMXUART_HAVE_RTSCTS, -}; - -#define SDHC2_CD IOMUX_TO_GPIO(MX31_PIN_ATA_DIOR) -#define SDHC2_WP IOMUX_TO_GPIO(MX31_PIN_ATA_DIOW) - -static int devboard_sdhc2_get_ro(struct device *dev) -{ - return !gpio_get_value(SDHC2_WP); -} - -static int devboard_sdhc2_init(struct device *dev, irq_handler_t detect_irq, - void *data) -{ - int ret; - - ret = gpio_request(SDHC2_CD, "sdhc-detect"); - if (ret) - return ret; - - gpio_direction_input(SDHC2_CD); - - ret = gpio_request(SDHC2_WP, "sdhc-wp"); - if (ret) - goto err_gpio_free; - gpio_direction_input(SDHC2_WP); - - ret = request_irq(gpio_to_irq(SDHC2_CD), detect_irq, - IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, - "sdhc2-card-detect", data); - if (ret) - goto err_gpio_free_2; - - return 0; - -err_gpio_free_2: - gpio_free(SDHC2_WP); -err_gpio_free: - gpio_free(SDHC2_CD); - - return ret; -} - -static void devboard_sdhc2_exit(struct device *dev, void *data) -{ - free_irq(gpio_to_irq(SDHC2_CD), data); - gpio_free(SDHC2_WP); - gpio_free(SDHC2_CD); -} - -static const struct imxmmc_platform_data sdhc2_pdata __initconst = { - .get_ro = devboard_sdhc2_get_ro, - .init = devboard_sdhc2_init, - .exit = devboard_sdhc2_exit, -}; - -#define SEL0 IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1) -#define SEL1 IOMUX_TO_GPIO(MX31_PIN_DSR_DCE1) -#define SEL2 IOMUX_TO_GPIO(MX31_PIN_RI_DCE1) -#define SEL3 IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1) - -static void devboard_init_sel_gpios(void) -{ - if (!gpio_request(SEL0, "sel0")) { - gpio_direction_input(SEL0); - gpio_export(SEL0, true); - } - - if (!gpio_request(SEL1, "sel1")) { - gpio_direction_input(SEL1); - gpio_export(SEL1, true); - } - - if (!gpio_request(SEL2, "sel2")) { - gpio_direction_input(SEL2); - gpio_export(SEL2, true); - } - - if (!gpio_request(SEL3, "sel3")) { - gpio_direction_input(SEL3); - gpio_export(SEL3, true); - } -} -#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \ - PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU) - -static int devboard_usbh1_hw_init(struct platform_device *pdev) -{ - mxc_iomux_set_gpr(MUX_PGP_USB_SUSPEND, true); - - mxc_iomux_set_pad(MX31_PIN_CSPI1_MISO, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_CSPI1_MOSI, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_CSPI1_SS0, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_CSPI1_SS1, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_CSPI1_SS2, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_CSPI1_SCLK, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_CSPI1_SPI_RDY, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_SFS6, USB_PAD_CFG); - - mdelay(10); - - return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED | - MXC_EHCI_INTERFACE_SINGLE_UNI); -} - -#define USBH1_VBUSEN_B IOMUX_TO_GPIO(MX31_PIN_NFRE_B) -#define USBH1_MODE IOMUX_TO_GPIO(MX31_PIN_NFALE) - -static int devboard_isp1105_init(struct otg_transceiver *otg) -{ - int ret = gpio_request(USBH1_MODE, "usbh1-mode"); - if (ret) - return ret; - /* single ended */ - gpio_direction_output(USBH1_MODE, 0); - - ret = gpio_request(USBH1_VBUSEN_B, "usbh1-vbusen"); - if (ret) { - gpio_free(USBH1_MODE); - return ret; - } - gpio_direction_output(USBH1_VBUSEN_B, 1); - - return 0; -} - - -static int devboard_isp1105_set_vbus(struct otg_transceiver *otg, bool on) -{ - if (on) - gpio_set_value(USBH1_VBUSEN_B, 0); - else - gpio_set_value(USBH1_VBUSEN_B, 1); - - return 0; -} - -static struct mxc_usbh_platform_data usbh1_pdata __initdata = { - .init = devboard_usbh1_hw_init, - .portsc = MXC_EHCI_MODE_UTMI | MXC_EHCI_SERIAL, -}; - -static int __init devboard_usbh1_init(void) -{ - struct otg_transceiver *otg; - struct platform_device *pdev; - - otg = kzalloc(sizeof(*otg), GFP_KERNEL); - if (!otg) - return -ENOMEM; - - otg->label = "ISP1105"; - otg->init = devboard_isp1105_init; - otg->set_vbus = devboard_isp1105_set_vbus; - - usbh1_pdata.otg = otg; - - pdev = imx31_add_mxc_ehci_hs(1, &usbh1_pdata); - if (IS_ERR(pdev)) - return PTR_ERR(pdev); - - return 0; -} - - -static const struct fsl_usb2_platform_data usb_pdata __initconst = { - .operating_mode = FSL_USB2_DR_DEVICE, - .phy_mode = FSL_USB2_PHY_ULPI, -}; - -/* - * system init for baseboard usage. Will be called by mx31moboard init. - */ -void __init mx31moboard_devboard_init(void) -{ - printk(KERN_INFO "Initializing mx31devboard peripherals\n"); - - mxc_iomux_setup_multiple_pins(devboard_pins, ARRAY_SIZE(devboard_pins), - "devboard"); - - imx31_add_imx_uart1(&uart_pdata); - - imx31_add_mxc_mmc(1, &sdhc2_pdata); - - devboard_init_sel_gpios(); - - imx31_add_fsl_usb2_udc(&usb_pdata); - - devboard_usbh1_init(); -} |